Search a number
-
+
13011798 = 232777829
BaseRepresentation
bin110001101000…
…101101010110
3220111001211110
4301220231112
511312334143
61142515450
7215412162
oct61505526
926431743
1013011798
117387a58
124435b86
1329076b7
141a29ca2
151220533
hexc68b56

13011798 has 16 divisors (see below), whose sum is σ = 26120880. Its totient is φ = 4321056.

The previous prime is 13011797. The next prime is 13011811. The reversal of 13011798 is 89711031.

13011798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2253 + ... + 5576.

It is an arithmetic number, because the mean of its divisors is an integer number (1632555).

Almost surely, 213011798 is an apocalyptic number.

13011798 is an abundant number, since it is smaller than the sum of its proper divisors (13109082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13011798 is a wasteful number, since it uses less digits than its factorization.

13011798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8111.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 13011798 is about 3607.1869926579. The cubic root of 13011798 is about 235.2045781537.

The spelling of 13011798 in words is "thirteen million, eleven thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 277 554 831 1662 7829 15658 23487 46974 2168633 4337266 6505899 13011798